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Please provide the needed answers. 1. What is the term used to describe motion of an object in a straight path? a. linear motion b.
Please provide the needed answers.
1. What is the term used to describe motion of an object in a straight path? a. linear motion b. circular motion c. oscillatory motion d. curvilinear motion 2. A vector is a quantity that has both magnitude and direction. Among the kinematical quantities below, which is a vector quantity? a. Position b. Distance c. Displacement d. Speed 3. An object moves in a uniform motion. By uniform motion it means that the object moves in constant velocity. Which statement is true about object moving at constant velocity? a. An object move in constant speed but changes direction. b. An object changes speed but unchanging direction. c. An object moves in constant speed and unchanging direction. d. An object moves in a circular path. 4. Which statement is true about the described kinematical quantity? a. Displacement is describe by magnitude and direction. b. Speed is describe by magnitude and direction. C. Acceleration is describe by magnitude only. d. Velocity and distance are both describe by magnitude and direction. 5. What is the distance travelled by a toy car if initially it is at x = 3 m and after 4 seconds it has its final position at x = -10 m? a. 3 m b. 7 m c. 13 m d. 17 m 6. How far a distance did a car travel when it moves with a constant speed of 35 km/hr for 2 hours? a. 70 km b.150 km c.175 km d.1750 km 7. A car moves with an average speed of 20 m/s for 6 seconds. How far did it go? a. 112.4 m b.120 m c. 124 m d. 125 m 8. A car moves with a speed of 35 km/hr for 12 minutes. How far did it go? a. 3.5 km b.7 km c. 14 km d.28 km 9. Which of the following does not describe speed? a. 36 km/hr b. 10 m/min/sec c. 35 m/s d. 20 cm/s10. The instantaneous speed of a car can be measured by an instrument called a. accelerator b. Speedometer c. Ammeter d. multimeter 11. Which kinematical quantity describe how fast a car moves in a specific direction at each time? a. average speed b. average distance c. instantaneous velocity d. instantaneous speed 12. An average speed of 90 km/hr is also equal to a.2.5 m/s b.25 m/'s c.250 m/s d.90000 m/s 13. Find the average speed of a truck's if it travels 320 m in 20 seconds. a. 16 m/s b. 32 m/s c. 320 m/s d. 3200 m/s 14. What is the distance travelled by the truck in # 13 if it continues to move with the same constant speed in 5 seconds? a. 64 m b. 80 m c. 160 m d. 640 m 15.Acceleration is one of the vector quantities in kinematics. What is the standard unit for acceleration? a. m/s2 b.km/h2 c.cm/s2 d.km/min 16 .A car is moving in a uniform velocity. What is its acceleration? a .zero b. Uniform c. non-uniform d. negative 17. Which is true about velocity and acceleration when Dindu throws a piece of candy upward? a. As it moves upward, its velocity increases, while its acceleration changes constantly. b. As it moves upward, its velocity decreases while its acceleration changes constantly. C. As it moves upward, its velocity decreases while its acceleration is constant.. d. As it moves upward, its velocity and acceleration are constant. 18. Which vehicle has the greater acceleration: A car whose speed increases from 60 m/s to 65 m/s in 2.5 seconds, or a bicycle that goes from rest to 5 m/s in the same time interval? a. The car has the greater acceleration. b. The bicycle has the greater acceleration. c. The vehicles have the same acceleration. d. The acceleration of both vehicles cannot be determined because of insufficient data. 19. If a car's velocity is constant, what is its acceleration? a. changing b. increasing c. Zero d. constantStep by Step Solution
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